CN208153270U - A kind of efficient plunger pump - Google Patents

Abstract

The utility model discloses a kind of efficient plunger pumps, including inflow pipeline and flowline, the both ends of the inflow pipeline and flowline are provided with left compression unit and right compression unit, the left compression unit includes first motor and left compression cylinder, left piston column is movably installed in the left compression cylinder, the bottom of the left piston column is connected with left push rod, left flywheel is connected in the first motor, left flywheel passes through the eccentric shaft being fixedly positioned thereon and is flexibly connected with the bottom of the left push rod, second compression unit includes the second motor and right compression cylinder, right piston column is movably installed in the right compression cylinder, the bottom of right piston column is connected with right push rod, right flywheel is connected on second motor, right flywheel passes through the eccentric shaft being fixedly positioned thereon and is flexibly connected with the bottom of the right push rod.Oil suction, pressure oil may be implemented in the utility model, improves the working efficiency of hydraulic system, has the advantages that structure is simple, easy to use, using effect is good.

Description

A high-efficiency plunger pump

technical field

The utility model relates to the technical field of hydraulic systems, in particular to a high-efficiency plunger pump.

Background technique

The plunger pump is an important device in the hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the volume of the sealed working chamber to realize oil absorption and oil pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow adjustment, and is widely used in high pressure, large flow and flow adjustment occasions, such as hydraulic presses, engineering machinery and ships. Piston pumps are divided into two representative structural forms: axial piston pumps and radial piston pumps; as radial piston pumps are a new type of high-efficiency pump with relatively high technical content, the plunger cylinder The continuous acceleration of the radial piston pump will inevitably become an important part of the application field of the piston pump; for details, please refer to the radial piston pump encyclopedia; the following only uses the axial piston pump as an example to explain, the axial piston pump It works by using the volume change produced by the reciprocating movement of the plunger parallel to the transmission shaft in the plunger hole. The current plunger pump has the disadvantages of slow working efficiency and small pump oil volume in the hydraulic system, and the use effect is poor.

Utility model content

The purpose of this utility model is to provide a high-efficiency plunger pump to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high-efficiency plunger pump, including an oil inlet pipeline and an oil outlet pipeline, and the two ends of the oil inlet pipeline and the oil outlet pipeline are provided with a left compression unit and a right compression unit. unit, the left compression unit includes a first motor and a left compression cylinder, a left piston rod is movably installed in the left compression cylinder, a left push rod is movably connected to the bottom of the left piston rod, and a left push rod is connected to the first motor. There is a left flywheel, the left flywheel is movably connected with the bottom of the left push rod through an eccentric shaft fixed thereon, the second compression unit includes a second motor and a right compression cylinder, and the right compression cylinder moves A right piston rod is installed, and the bottom of the right piston rod is movably connected with a right push rod, and the second motor is connected with a right flywheel, and the right flywheel connects with the right push rod through an eccentric shaft fixed thereon. bottom active link.

Preferably, the left piston rod is connected to the inner wall of the left compression cylinder by a dynamic seal.

Preferably, the right piston rod is connected with the inner wall of the right compression cylinder by a dynamic seal.

Preferably, the left compression cylinder and the right compression cylinder are provided with an oil inlet valve and an oil discharge valve, and the inlet valve and the exhaust valve are one-way valves.

Preferably, the left compression cylinder and the right compression cylinder communicate with the oil inlet pipeline and the oil outlet pipeline respectively.

Compared with the prior art, the beneficial effect of the utility model is that: the utility model is provided with a left compression unit and a right compression unit at both ends of the oil inlet pipeline and the oil outlet pipeline, and when in use, the first motor and the second motor Drive the left flywheel and the right flywheel to rotate respectively to control the movement of the left piston rod and the right piston rod, so as to realize oil absorption and oil pressure, improve the working efficiency of the hydraulic system, and have the advantages of simple structure, convenient use and good use effect.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a high-efficiency plunger pump of the present invention;

Fig. 2 is a schematic diagram of the external structure of a high-efficiency plunger pump of the present invention.

In the figure: 1-left flywheel; 2-left push rod; 3-exhaust valve; 4-oil outlet pipeline; 5-oil inlet pipeline; 6-left piston rod; 7-first motor; 8-right piston rod; 9-right push rod; 10-right flywheel; 11-second motor; 12-right compression cylinder; 13-left compression cylinder; 14-intake valve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a high-efficiency plunger pump, including an oil inlet pipeline 5 and an oil outlet pipeline 4, and the two ends of the oil inlet pipeline 5 and the oil outlet pipeline 4 are arranged There are a left compression unit and a right compression unit, the left compression unit includes a first motor 7 and a left compression cylinder 13, a left piston rod 6 is movably installed in the left compression cylinder 13, and the bottom of the left piston rod 6 is movably connected There is a left push rod 2, the first motor 7 is connected with a left flywheel 1, and the left flywheel 1 is movably connected with the bottom of the left push rod 2 through an eccentric shaft fixed thereon, and the second compression The unit includes a second motor 11 and a right compression cylinder 12. A right piston rod 8 is movably installed in the right compression cylinder 12, and a right push rod 9 is movably connected to the bottom of the right piston rod 8. On the second motor 11 A right flywheel 10 is connected, and the right flywheel 10 is movably connected with the bottom of the right push rod 9 through an eccentric shaft fixed thereon.

The inner wall of the left piston column 6 and the left compression cylinder 13 adopts a dynamic sealing connection; the right piston column 8 and the inner wall of the right compression cylinder 12 adopt a dynamic sealing connection; the left compression cylinder 13 and the right compression cylinder 12 is provided with an oil inlet valve 14 and an oil discharge valve 3, and the inlet valve 14 and the exhaust valve 3 are one-way valves; the left compression cylinder 13 and the right compression cylinder 12 are respectively connected with the oil inlet pipeline 5 and the oil outlet Pipeline 4 communicates.

Working principle: The utility model is provided with a left compression unit and a right compression unit at both ends of the oil inlet pipeline 5 and the oil outlet pipeline 4, and the left flywheel 1 and the right flywheel are respectively driven by the first motor 7 and the second motor 11 when in use 10 is rotated to control the movement of the left piston rod 6 and the right piston rod 8, so as to realize oil suction and oil pressure, improve the working efficiency of the hydraulic system, and have the advantages of simple structure, convenient use and good use effect.

It should be noted that in this article, relational terms such as left and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or sequence. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of efficient plunger pump, including inflow pipeline (5) and flowline (4), it is characterised in that：The inflow pipeline (5) and the both ends of flowline (4) are provided with left compression unit and right compression unit, and the left compression unit includes first motor (7) and left compression cylinder (13) it, is movably installed with left piston column (6) in the left compression cylinder (13), the bottom of the left piston column (6) Portion is connected with left push rod (2), is connected with left flywheel (1) on the first motor (7), and the left flywheel (1) passes through fixation The eccentric shaft being disposed thereon is flexibly connected with the bottom of the left push rod (2), and the right compression unit includes the second motor (11) and right compression cylinder (12) it, is movably installed with right piston column (8) in the right compression cylinder (12), the right piston column (8) Bottom is connected with right push rod (9), is connected with right flywheel (10) on second motor (11), and the right flywheel (10) passes through The eccentric shaft being fixedly positioned thereon is flexibly connected with the bottom of the right push rod (9).

2. a kind of efficient plunger pump according to claim 1, it is characterised in that：The left piston column (6) and the left side The inner wall of compression cylinder (13) is connected using dynamic sealing.

3. a kind of efficient plunger pump according to claim 1, it is characterised in that：The right piston column (8) and the right side The inner wall of compression cylinder (12) is connected using dynamic sealing.

4. a kind of efficient plunger pump according to claim 1, it is characterised in that：The left compression cylinder (13) and right compression Inlet valve (14) and draining valve (3) are provided in cylinder (12), the inlet valve (14) and draining valve (3) are check valve.

5. a kind of efficient plunger pump according to claim 1, it is characterised in that：The left compression cylinder (13) and right compression Cylinder (12) is connected to inflow pipeline (5) and flowline (4) respectively.